Abstract
Climate is one of the main factors determining the possibility of grape cultivating and influencing its growth and development. Climatic factors have a huge impact on obtaining high-quality products of grape processing. In the process of work, in order to create an informational database, the archival data on the content of sugars and titratable acids in grapes from the vineyards of Crimea were collected and systematized. According to the criteria necessary for this study, we have selected the information on 8 varieties from the Steppe zone for 11 years, 1 variety from the Piedmont zone for 3 years, and 4 varieties from the South Coast zone for 6 years. By collecting and nonlinear interpolating of long-term observations from Crimean weather stations using geoinformation and mathematical modeling methods, the values of agroclimatic factors were calculated for each selected vineyard on the dates of determining the quality indicators of grapes during their ripening at the location points of the vineyards. For this purpose, 10 agroclimatic indicators characterizing the heat supply were selected. Based on the research results, basic principles for creating an informational database of agroecological resources and quality composition of grapes were developed. Informational database can be further modified and extended with various agroclimatic indicators. Subsequently, the accumulated array of database information will be used to identify patterns reflecting the influence of agroecological conditions on the formation of grape quality parameters for various types of production, which will serve as a basis for establishing viticultural and winemaking terroirs. Key words: CLIMATIC FACTORS, ZONES OF THE CRIMEAN PENINSULA, HEAT SUPPLY INDICATORS, GEOINFORMATION MODELING, MASS CONCENTRATION OF SUGARS, MASS CONCENTRATION OF TITRATABLE ACIDS
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